Question about 2005 Chevrolet Colorado

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After my truck warms up, when rpms drop below 1000 oil pressure lite comes on

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  • Chevrolet Master
  • 5,280 Answers

If the oil level is not low, better have the oil pressure checked with a mechanical gauge by a shop. No or very low oil pressure can be fatal for engines. Possible your oil pump is worn. If the pump is good, oil pressure can be affected or lost if the crankshaft bearings are worn. Has the oil and filter been changed regularly?

Posted on Jan 02, 2013

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Posted on Jan 02, 2017

gregs_rockin
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SOURCE: my oil light comes on if engine drops below 1000 rpms, is this the oil pump going out

If the car has low milelege on it end is running okay,End your oil leval is up where it is suppose to be, The oil light sending unit is defective.End needs to be replaced. Hope this helps you out.

Posted on Oct 09, 2012

  • 41 Answers

SOURCE: Low oil pressure on 2001 Suburban

your oil sensor comes on at less than ten psi, you may have internal engine damage how many miles on engine, any gum up inside engine, you can try to put on a high pressure high volume melling oil pump to try to help for the time being, but you may need to have it torn and repaired.

Posted on Aug 03, 2009

hfmiles
  • 1165 Answers

SOURCE: I have a 94 suburban

It could be caused by a bad pressure switch, or a failing oil pump. Has the oil and filter been changed lately. A clogged oil filter or low oil level would also cause the pressure to drop. There may be sludge in the oil pan that is getting picked up by the oil pump and blocking oil flow. You would start out with good pressure, then as the debris is picked up, the pressure would drop.

Posted on Feb 17, 2011

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